APA Citation

Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2012). International economics: Theory and policy (9th edition.). Boston, MA: Addison Wesley.

Chicago Style Citation

Krugman, Paul R., Maurice Obstfeld, and Marc J. Melitz. International Economics: Theory and Policy. 9th edition. Boston, MA: Addison Wesley, 2012.

MLA Citation

Krugman, Paul R., Maurice Obstfeld, and Marc J. Melitz. International Economics: Theory and Policy. 9th edition. Boston, MA: Addison Wesley, 2012.

Warning: These citations may not always be 100% accurate.